Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. EU Ambassadors Take Up Shovelsto Make PointAbout Climate Change Natalie Liu WASHINGTON - Around the world, national leaders and diplomats have expressed their hopes that the United States will reverse its decision to pull out of the Paris Agreement on fighting climate change. In Washington, some others have chosen to act in small ways rather than wait. Ambassadors and aides from all 28 members of the European Union joined forces last week with volunteers from Casey Trees, a local conservation group, to plant trees in a Washington city park, hoping to earn goodwill and make a symbolic point with their labor. .